Entry | Compound | R | Product | m.p. (°C) |
c = 0.6, CH2Cl2 | Yield (%) |
---|---|---|---|---|---|---|
1 | 7a | F | 8a | 168-169 | +5.2 | 20 |
2 | 7b | Cl | 8b | 189-190 | +5.7 | 34 |
3 | 7c | Br | 8c | 183-184 | +6.0 | 41 |
4 | 7d | I | 8d | 175-177 | +7.1 | 20 |
5 | 7e | COOMe | 8e | 128-130 | +6.3 | 17 |
6 | 7f | COOEt | 8f | 151-153 | +6.8 | 19 |
7 | 7 g | COOPr | 8 g | 118-119 | +5.5 | 18 |
8 | 7 h | COOBu | 8 h | 127-129 | +4.9 | 19 |
9 | 7i | H | 8i | 146-148 | +6.8 | 20 |
10 | 7j | Me | 8j | 162-163 | +7.2 | 46 |
11 | 7 k | t-Bu | 8 k | 141-143 | +6.3 | 49 |
12 | 7 l | OMe | 8 l | 132-134 | +5.9 | 45 |